CH407242A - Keypad device - Google Patents
Keypad deviceInfo
- Publication number
- CH407242A CH407242A CH1360661A CH1360661A CH407242A CH 407242 A CH407242 A CH 407242A CH 1360661 A CH1360661 A CH 1360661A CH 1360661 A CH1360661 A CH 1360661A CH 407242 A CH407242 A CH 407242A
- Authority
- CH
- Switzerland
- Prior art keywords
- keypad device
- keypad
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Push-Button Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4032460A GB916524A (en) | 1960-11-23 | 1960-11-23 | Improvements in or relating to electric switching devices |
Publications (1)
Publication Number | Publication Date |
---|---|
CH407242A true CH407242A (en) | 1966-02-15 |
Family
ID=10414332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1360661A CH407242A (en) | 1960-11-23 | 1961-11-22 | Keypad device |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH407242A (en) |
GB (1) | GB916524A (en) |
-
1960
- 1960-11-23 GB GB4032460A patent/GB916524A/en not_active Expired
-
1961
- 1961-11-22 CH CH1360661A patent/CH407242A/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB916524A (en) | 1963-01-23 |
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